import 'package:flutter/material.dart';

class StepPage extends StatefulWidget {
  StepPage({Key key}) : super(key: key);

  @override
  _StepPageState createState() => _StepPageState();
}

class _StepPageState extends State<StepPage> with AutomaticKeepAliveClientMixin{
  @override
  void initState() { 
    super.initState();
    debugPrint("strp");
  }
  @override
  Widget build(BuildContext context) {
    super.build(context);
    return Container(
       child: Center(
         child: Text("step"),
       ),
    );
  }
   @override
  bool get wantKeepAlive=>true;
}